Patents by Inventor Akira Fusano

Akira Fusano has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20160221948
    Abstract: The present invention provides a compound represented by the following formula (I) or its pharmaceutically acceptable salt: [wherein, R1 represents optionally substituted C1-4 alkyl, n shows integer of 1 to 4, R2 represents optionally substituted C1-4 alkyl or hydrogen atom, R3 represents optionally substituted C1-4 alkyl, R4a, R4b, R4c, and R4d, similarly or differently, represent optionally substituted C6-14 aryl, optionally substituted C1-4 alkyl, or hydrogen atom and the like, A represents optionally substituted C6-14 aryl or optionally substituted 5 to 11 membered heteroaryl].
    Type: Application
    Filed: September 12, 2014
    Publication date: August 4, 2016
    Inventors: Akira FUSANO, Tomonori KOBAYASHI, Yasuhiro SAITO, Toshio KANAI
  • Patent number: 8389511
    Abstract: The present invention relates to a compound of the following formula (I) or a pharmaceutically acceptable salt thereof, being useful as a renin inhibitor. [wherein R1a is halogen, etc.; R1m is H, etc.; G1 is —N(R1b)—, etc.; G2 is —CO—, etc.; G3 is —C(R1c)(R1d)—, etc.; G4 is oxygen, etc.; R1b is optionally substituted C1-6 alkyl, etc.; R1c and R1d are independently the same or different, H, etc.; R3 is H, optionally substituted C1-6 alkyl, etc.; R3a, R3b, R3c and R3d are independently the same or different, and a group: -A-B (said A is single bond, etc., and said B is H, etc.), etc.; and n is 1, etc.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: March 5, 2013
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Hiroyuki Nakahira, Yohei Ikuma, Nobuhisa Fukuda, Kozo Yoshida, Hidenori Kimura, Satoshi Suetsugu, Akira Fusano, Kiyoto Sawamura, Junya Ikeda, Yoshio Nakai
  • Publication number: 20110190278
    Abstract: The present invention relates to a compound of the following formula (I) or a pharmaceutically acceptable salt thereof, being useful as a renin inhibitor. [wherein R1a is halogen, etc.; R1m is H, etc.; G1 is —N(R1b)—, etc.; G2 is —CO—, etc.; G3 is —C(R1c)(R1d)—, etc.; G4 is oxygen, etc.; R1b is optionally substituted C1-6 alkyl, etc.; R1c and R1d are independently the same or different, H, etc.; R3 is H, optionally substituted C1-6 alkyl, etc.; R3a, R3b, R3c and R3d are independently the same or different, and a group: -A-B (said A is single bond, etc., and said B is H, etc.), etc.; and n is 1, etc.
    Type: Application
    Filed: December 19, 2008
    Publication date: August 4, 2011
    Inventors: Hiroyuki Nakahira, Yohei Ikuma, Nobuhisa Fukuda, Kozo Yoshida, Hidenori Kimura, Satoshi Suetsugu, Akira Fusano, Kiyoto Sawamura, Junya Ikeda, Yoshio Nakai